Symptom Checker

Step 4: Read and complete the decision guide to learn more about your symptoms.

Treatment of Impotence

PDE5 drugs can cause life-threatening reactions when mixed with certain other types of drugs. The best known reaction is when PDE5 drugs are mixed with nitroglycerin or other drugs in the nitrate family (such as isosorbide). Nitrates are usually used for heart disease, but some men take one of these drugs for other reasons.

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